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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/gamma/gamma_vb.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/dri/gamma/gamma_vb.c362
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diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/gamma/gamma_vb.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/gamma/gamma_vb.c
new file mode 100644
index 000000000..80d35cba9
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/gamma/gamma_vb.c
@@ -0,0 +1,362 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/gamma/gamma_vb.c,v 1.4 2003/03/26 20:43:48 tsi Exp $ */
+/*
+ * Copyright 2001 by Alan Hourihane.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Alan Hourihane not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Alan Hourihane makes no representations
+ * about the suitability of this software for any purpose. It is provided
+ * "as is" without express or implied warranty.
+ *
+ * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Authors: Alan Hourihane, <alanh@tungstengraphics.com>
+ * Keith Whitwell, <keith@tungstengraphics.com>
+ *
+ * 3DLabs Gamma driver.
+ */
+
+#include "glheader.h"
+#include "mtypes.h"
+#include "imports.h"
+#include "macros.h"
+#include "colormac.h"
+
+#include "swrast_setup/swrast_setup.h"
+#include "tnl/t_context.h"
+#include "tnl/tnl.h"
+
+#include "gamma_context.h"
+#include "gamma_vb.h"
+#include "gamma_tris.h"
+
+
+#define GAMMA_TEX0_BIT 0x1
+#define GAMMA_RGBA_BIT 0x2
+#define GAMMA_XYZW_BIT 0x4
+#define GAMMA_PTEX_BIT 0x8
+#define GAMMA_FOG_BIT 0x10
+#define GAMMA_SPEC_BIT 0x20
+#define GAMMA_MAX_SETUP 0x40
+
+static struct {
+ void (*emit)( GLcontext *, GLuint, GLuint, void *, GLuint );
+ tnl_interp_func interp;
+ tnl_copy_pv_func copy_pv;
+ GLboolean (*check_tex_sizes)( GLcontext *ctx );
+ GLuint vertex_size;
+ GLuint vertex_format;
+} setup_tab[GAMMA_MAX_SETUP];
+
+#define TINY_VERTEX_FORMAT 1
+#define NOTEX_VERTEX_FORMAT 2
+#define TEX0_VERTEX_FORMAT 3
+#define TEX1_VERTEX_FORMAT 0
+#define PROJ_TEX1_VERTEX_FORMAT 0
+#define TEX2_VERTEX_FORMAT 0
+#define TEX3_VERTEX_FORMAT 0
+#define PROJ_TEX3_VERTEX_FORMAT 0
+
+#define DO_XYZW (IND & GAMMA_XYZW_BIT)
+#define DO_RGBA (IND & GAMMA_RGBA_BIT)
+#define DO_SPEC (IND & GAMMA_SPEC_BIT)
+#define DO_FOG (IND & GAMMA_FOG_BIT)
+#define DO_TEX0 (IND & GAMMA_TEX0_BIT)
+#define DO_TEX1 0
+#define DO_TEX2 0
+#define DO_TEX3 0
+#define DO_PTEX (IND & GAMMA_PTEX_BIT)
+
+#define VERTEX gammaVertex
+#define VERTEX_COLOR gamma_color_t
+#define GET_VIEWPORT_MAT() 0
+#define GET_TEXSOURCE(n) n
+#define GET_VERTEX_FORMAT() GAMMA_CONTEXT(ctx)->vertex_format
+#define GET_VERTEX_STORE() GAMMA_CONTEXT(ctx)->verts
+#define GET_VERTEX_SIZE() GAMMA_CONTEXT(ctx)->vertex_size * sizeof(GLuint)
+#define INVALIDATE_STORED_VERTICES()
+
+#define HAVE_HW_VIEWPORT 1
+#define HAVE_HW_DIVIDE 1
+#define HAVE_RGBA_COLOR 0 /* we're BGRA */
+#define HAVE_TINY_VERTICES 1
+#define HAVE_NOTEX_VERTICES 1
+#define HAVE_TEX0_VERTICES 1
+#define HAVE_TEX1_VERTICES 0
+#define HAVE_TEX2_VERTICES 0
+#define HAVE_TEX3_VERTICES 0
+#define HAVE_PTEX_VERTICES 1
+
+#define PTEX_FALLBACK() /* never needed */
+
+#define INTERP_VERTEX setup_tab[GAMMA_CONTEXT(ctx)->SetupIndex].interp
+#define COPY_PV_VERTEX setup_tab[GAMMA_CONTEXT(ctx)->SetupIndex].copy_pv
+
+
+
+/***********************************************************************
+ * Generate pv-copying and translation functions *
+ ***********************************************************************/
+
+#define TAG(x) gamma_##x
+#include "tnl_dd/t_dd_vb.c"
+
+/***********************************************************************
+ * Generate vertex emit and interp functions *
+ ***********************************************************************/
+
+#define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT)
+#define TAG(x) x##_wg
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_SPEC_BIT)
+#define TAG(x) x##_wgs
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_TEX0_BIT)
+#define TAG(x) x##_wgt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_TEX0_BIT|GAMMA_PTEX_BIT)
+#define TAG(x) x##_wgpt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_SPEC_BIT|GAMMA_TEX0_BIT)
+#define TAG(x) x##_wgst0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_SPEC_BIT|GAMMA_TEX0_BIT|\
+ GAMMA_PTEX_BIT)
+#define TAG(x) x##_wgspt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_FOG_BIT)
+#define TAG(x) x##_wgf
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_SPEC_BIT)
+#define TAG(x) x##_wgfs
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_TEX0_BIT)
+#define TAG(x) x##_wgft0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_TEX0_BIT|\
+ GAMMA_PTEX_BIT)
+#define TAG(x) x##_wgfpt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_SPEC_BIT|\
+ GAMMA_TEX0_BIT)
+#define TAG(x) x##_wgfst0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_SPEC_BIT|\
+ GAMMA_TEX0_BIT|GAMMA_PTEX_BIT)
+#define TAG(x) x##_wgfspt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_TEX0_BIT)
+#define TAG(x) x##_t0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_FOG_BIT)
+#define TAG(x) x##_f
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_FOG_BIT|GAMMA_TEX0_BIT)
+#define TAG(x) x##_ft0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_RGBA_BIT)
+#define TAG(x) x##_g
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_RGBA_BIT|GAMMA_SPEC_BIT)
+#define TAG(x) x##_gs
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_RGBA_BIT|GAMMA_TEX0_BIT)
+#define TAG(x) x##_gt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_RGBA_BIT|GAMMA_SPEC_BIT|GAMMA_TEX0_BIT)
+#define TAG(x) x##_gst0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_RGBA_BIT|GAMMA_FOG_BIT)
+#define TAG(x) x##_gf
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_SPEC_BIT)
+#define TAG(x) x##_gfs
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_TEX0_BIT)
+#define TAG(x) x##_gft0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_SPEC_BIT|GAMMA_TEX0_BIT)
+#define TAG(x) x##_gfst0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+static void init_setup_tab( void )
+{
+ init_wg();
+ init_wgs();
+ init_wgt0();
+ init_wgpt0();
+ init_wgst0();
+ init_wgspt0();
+ init_wgf();
+ init_wgfs();
+ init_wgft0();
+ init_wgfpt0();
+ init_wgfst0();
+ init_wgfspt0();
+ init_t0();
+ init_f();
+ init_ft0();
+ init_g();
+ init_gs();
+ init_gt0();
+ init_gst0();
+ init_gf();
+ init_gfs();
+ init_gft0();
+ init_gfst0();
+}
+
+void gammaCheckTexSizes( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ gammaContextPtr gmesa = GAMMA_CONTEXT( ctx );
+
+ if (!setup_tab[gmesa->SetupIndex].check_tex_sizes(ctx)) {
+ /* Invalidate stored verts
+ */
+ gmesa->SetupNewInputs = ~0;
+ gmesa->SetupIndex |= GAMMA_PTEX_BIT;
+
+ if (!(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) {
+ tnl->Driver.Render.Interp = setup_tab[gmesa->SetupIndex].interp;
+ tnl->Driver.Render.CopyPV = setup_tab[gmesa->SetupIndex].copy_pv;
+ }
+ }
+}
+
+void gammaBuildVertices( GLcontext *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint newinputs )
+{
+ gammaContextPtr gmesa = GAMMA_CONTEXT( ctx );
+ GLuint stride = gmesa->vertex_size * sizeof(int);
+ GLubyte *v = ((GLubyte *)gmesa->verts + (start * stride));
+
+ newinputs |= gmesa->SetupNewInputs;
+ gmesa->SetupNewInputs = 0;
+
+ if (!newinputs)
+ return;
+
+ if (newinputs & VERT_BIT_POS) {
+ setup_tab[gmesa->SetupIndex].emit( ctx, start, count, v, stride );
+ } else {
+ GLuint ind = 0;
+
+ if (newinputs & VERT_BIT_COLOR0)
+ ind |= GAMMA_RGBA_BIT;
+
+ if (newinputs & VERT_BIT_COLOR1)
+ ind |= GAMMA_SPEC_BIT;
+
+ if (newinputs & VERT_BIT_TEX0)
+ ind |= GAMMA_TEX0_BIT;
+
+ if (newinputs & VERT_BIT_FOG)
+ ind |= GAMMA_FOG_BIT;
+
+ if (gmesa->SetupIndex & GAMMA_PTEX_BIT)
+ ind = ~0;
+
+ ind &= gmesa->SetupIndex;
+
+ if (ind) {
+ setup_tab[ind].emit( ctx, start, count, v, stride );
+ }
+ }
+}
+
+void gammaChooseVertexState( GLcontext *ctx )
+{
+ gammaContextPtr gmesa = GAMMA_CONTEXT( ctx );
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ GLuint ind = GAMMA_XYZW_BIT|GAMMA_RGBA_BIT;
+
+ if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)
+ ind |= GAMMA_SPEC_BIT;
+
+ if (ctx->Fog.Enabled)
+ ind |= GAMMA_FOG_BIT;
+
+ if (ctx->Texture.Unit[0]._ReallyEnabled) {
+ _tnl_need_projected_coords( ctx, GL_FALSE );
+ ind |= GAMMA_TEX0_BIT;
+ } else
+ _tnl_need_projected_coords( ctx, GL_FALSE );
+
+ gmesa->SetupIndex = ind;
+
+ if (setup_tab[ind].vertex_format != gmesa->vertex_format) {
+ gmesa->vertex_format = setup_tab[ind].vertex_format;
+ gmesa->vertex_size = setup_tab[ind].vertex_size;
+ }
+
+ if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) {
+ tnl->Driver.Render.Interp = gamma_interp_extras;
+ tnl->Driver.Render.CopyPV = gamma_copy_pv_extras;
+ } else {
+ tnl->Driver.Render.Interp = setup_tab[ind].interp;
+ tnl->Driver.Render.CopyPV = setup_tab[ind].copy_pv;
+ }
+}
+
+
+void gammaInitVB( GLcontext *ctx )
+{
+ gammaContextPtr gmesa = GAMMA_CONTEXT(ctx);
+ GLuint size = TNL_CONTEXT(ctx)->vb.Size;
+
+ gmesa->verts = (GLubyte *)ALIGN_MALLOC(size * 4 * 16, 32);
+
+ {
+ static int firsttime = 1;
+ if (firsttime) {
+ init_setup_tab();
+ firsttime = 0;
+ gmesa->vertex_size = 16; /* FIXME - only one vertex setup */
+ }
+ }
+}
+
+
+void gammaFreeVB( GLcontext *ctx )
+{
+ gammaContextPtr gmesa = GAMMA_CONTEXT(ctx);
+ if (gmesa->verts) {
+ ALIGN_FREE(gmesa->verts);
+ gmesa->verts = 0;
+ }
+}